Quincy: The Quincy Park Department’s Environmental Treasures program is offering a tour that will feature the remains of the first operational blast furnace in the country, a monument to Solomon Willard, the architect of the Bunker Hill monument, and a cemetery that includes the graves of Civil War heroes, a famous boxer, a person who died in the Indian wars, and Quincy granite workers whose artistry is displayed on their monuments. Meet in church parking lot. Saturday, 10 a.m. St. Mary’s Church, 115 Crescent St. Free. www.quincyma.gov.

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